Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy

Objectives. The present study was done to evaluate birefringence pattern of collagen fibres in different grades of oral squamous cell carcinoma using Picrosirius red stain and polarization microscopy and to determine if there is a change in collagen fibres between different grades of oral squamous c...

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Main Authors: Pillai Arun Gopinathan, Ganganna Kokila, Mahadesh Jyothi, Chatterjee Ananjan, Linganna Pradeep, Salroo Humaira Nazir
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Scientifica
Online Access:http://dx.doi.org/10.1155/2015/802980
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author Pillai Arun Gopinathan
Ganganna Kokila
Mahadesh Jyothi
Chatterjee Ananjan
Linganna Pradeep
Salroo Humaira Nazir
author_facet Pillai Arun Gopinathan
Ganganna Kokila
Mahadesh Jyothi
Chatterjee Ananjan
Linganna Pradeep
Salroo Humaira Nazir
author_sort Pillai Arun Gopinathan
collection DOAJ
description Objectives. The present study was done to evaluate birefringence pattern of collagen fibres in different grades of oral squamous cell carcinoma using Picrosirius red stain and polarization microscopy and to determine if there is a change in collagen fibres between different grades of oral squamous cell carcinoma. Materials and Methods. Picrosirius red stained 5 μm thick sections of previously diagnosed different grades of squamous cell carcinoma and normal oral mucosa were studied under polarization microscopy for arrangement as well as birefringence of collagen fibres around tumour islands. Results. It was found that thin collagen fibres increased and thick collagen fibres decreased with dedifferentiation of OSCC (P<0.0001 ). It was observed that there was change in polarization colours of thick fibres from yellowish orange to greenish yellow with dedifferentiation of OSCC indicating loosely packed fibres (P<0.0001). Conclusion. There was a gradual change of birefringence of collagen from yellowish orange to greenish yellow from well to poorly differentiated squamous cell carcinoma, indicating that there is a change from mature form of collagen to immature form as tumour progresses. Studying collagen fibres with Picrosirius red for stromal changes around tumour islands along with routine staining may help in predicting the prognosis of tumour.
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institution Kabale University
issn 2090-908X
language English
publishDate 2015-01-01
publisher Wiley
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series Scientifica
spelling doaj-art-29b7e0fd30034951a3a8b4dd85032b7e2025-02-03T01:31:35ZengWileyScientifica2090-908X2015-01-01201510.1155/2015/802980802980Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light MicroscopyPillai Arun Gopinathan0Ganganna Kokila1Mahadesh Jyothi2Chatterjee Ananjan3Linganna Pradeep4Salroo Humaira Nazir5Oral & Maxillofacial Pathology, Sri Sankara Dental College, Varkala, Akathumuri, Vennicode, Kerala 695318, IndiaOral & Maxillofacial Pathology, Sri Siddhartha Dental College & Hospital, Sri Siddhartha Academy of Higher Education, Tumkur 572107, IndiaOral & Maxillofacial Pathology, Sri Siddhartha Dental College & Hospital, Sri Siddhartha Academy of Higher Education, Tumkur 572107, IndiaOral & Maxillofacial Pathology, Vananchal Dental College & Hospital, Farathiya, Garhwa, Jharkhand 822114, IndiaOral & Maxillofacial Pathology, Sri Siddhartha Dental College & Hospital, Sri Siddhartha Academy of Higher Education, Tumkur 572107, IndiaOral & Maxillofacial Pathology, Sri Siddhartha Dental College & Hospital, Sri Siddhartha Academy of Higher Education, Tumkur 572107, IndiaObjectives. The present study was done to evaluate birefringence pattern of collagen fibres in different grades of oral squamous cell carcinoma using Picrosirius red stain and polarization microscopy and to determine if there is a change in collagen fibres between different grades of oral squamous cell carcinoma. Materials and Methods. Picrosirius red stained 5 μm thick sections of previously diagnosed different grades of squamous cell carcinoma and normal oral mucosa were studied under polarization microscopy for arrangement as well as birefringence of collagen fibres around tumour islands. Results. It was found that thin collagen fibres increased and thick collagen fibres decreased with dedifferentiation of OSCC (P<0.0001 ). It was observed that there was change in polarization colours of thick fibres from yellowish orange to greenish yellow with dedifferentiation of OSCC indicating loosely packed fibres (P<0.0001). Conclusion. There was a gradual change of birefringence of collagen from yellowish orange to greenish yellow from well to poorly differentiated squamous cell carcinoma, indicating that there is a change from mature form of collagen to immature form as tumour progresses. Studying collagen fibres with Picrosirius red for stromal changes around tumour islands along with routine staining may help in predicting the prognosis of tumour.http://dx.doi.org/10.1155/2015/802980
spellingShingle Pillai Arun Gopinathan
Ganganna Kokila
Mahadesh Jyothi
Chatterjee Ananjan
Linganna Pradeep
Salroo Humaira Nazir
Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
Scientifica
title Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
title_full Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
title_fullStr Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
title_full_unstemmed Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
title_short Study of Collagen Birefringence in Different Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red and Polarized Light Microscopy
title_sort study of collagen birefringence in different grades of oral squamous cell carcinoma using picrosirius red and polarized light microscopy
url http://dx.doi.org/10.1155/2015/802980
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